For all the damage hard water can do to your hair, both types are completely safe to drink: in fact, some research even suggests that harder water might help support bone and heart health.
“Hard water can make shampoo less effective, meaning you may need to use more product – especially for the first wash – to properly cleanse your hair,” she says.
When I lived in London, a hard water hotspot, I had to wash my hair every other day without fail, otherwise it’d start looking dull and frizzy.
Mineral deposits from hard water may accumulate on the hair shaft, leading to dryness, dullness and brittleness.
In the UK, much of our tap water originally comes from surface water: think reservoirs, lakes, rivers, and streams.
